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preschool - n. a school for very young children
obese - adj. fat in a way that is unhealthy
assess - v. to make a judgment about (something)
epidemiology - n. the study of how disease spreads and can be controlled
routine - n. a regular way of doing things in a particular order
cognitive - adj. of, relating to, or involving conscious mental activities
data - n. facts or information used usually to calculate, analyze, or plan something
trade-off - n. a situation in which you must choose between or balance two things that are opposite or cannot be had at the same time
trend - n. a general direction of change
